A 40-Year-Old Woman With a New Triple-Negative Breast Mass, Shown on Biopsy to Be Metaplastic Carcinoma.
نویسندگان
چکیده
A 40-year-old woman noted a large mass in her right breast. A diagnostic mammogram and ultrasound confirmed a 3.4-cm mass with associated microcalcifications. Axillary ultrasound showed a prominent lymph node in the right axilla. A core needle biopsy of the breast mass was positive for a high-grade metaplastic carcinoma with predominantly squamous features (Figure, panel A). The lymph node biopsy was negative for metastatic carcinoma. The tumor was triple-negative (estrogen receptor [ER]−, progesterone receptor [PR]−, and human epidermal growth factor receptor 2 [HER2] −), with a Ki-67 proliferation index of 70%.
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عنوان ژورنال:
- Oncology
دوره 30 7 شماره
صفحات -
تاریخ انتشار 2016